2008-05-01_REPORT - C1996083 ‎(7)‎

• Permit No: C1996083
• IBM Index Class Name: REPORT
• Doc Date: 5/1/2008
• Doc Name: 2007 Annual Hydrology Report
• From: J.E. Stover & Associates Inc
• To: DRMS
• Annual Report Year: 2007
• Permit Index Doc Type: Hydrology Report
• Email Name: MLT
• Media Type: D
• Archive: No

Bowie Resources, LLC
Bowie No. 2 Mine
2007 Annual Hydrology Report
SP34-11
Sheep Corral -Spring/Pond 34-11
Elevation - 7440
Depth - 3'
Surtace Water
Initiated 10/27/1997 10/27/1997 10/27!1997 10/27/1997
Activated 6/1/2002 6/1/2002 6!1/2002 6/1/2002
Date 11/6/2007 9/12/2007 6/22/2007 5/25/2007
Field
Parameters UNITS
Summary Information
Baseline Operation
Min Ave Max Min Ave Max
Flow GPM 0.0 2.0 18.8 0.0 3.81 17.00 1.6 0.4 4.3 4.04
FieldComment
h su 6.9 7.5 8.0 7.1 7.56 8.20 7.4 7.6 7.9 8
Conductivity umhos/cm 130 325 450 360 487 620 570 550 580 560
Temperature Celsius 6.1 10.0 15.1 6.6 8.6 12.8 9.1 12.4 7.4 6.9
Lab
Parameters
UNITS
Bicarbonate m /L 165 197 217 137.9 193.5 249.1
Chloride mg/L <MDL 2 3 <MDL 11.79 11.79
Conductivity umhos/cm 324 412 482 367.8 444.2 520.6
Hardness mg/L 92 103 111 110.5 113.2 115.9
Nitrate-Nitrite mg/L <MDL 0.03 0.09 2.576 2.578 2.580
Oil and Grease mg/L <MDL <MDL <MDL <MDL 0.077 0.077
H su 6.9 7.5 8.0 6.23 6.56 6.89
Phosphate mg/L <MDL <MDL <MDL <MDL 0.024 0.024
ResidueFilterable-TDS mg/L 180 247 290 55.5 123.3 191.0
ResidueNonFilterable-TSS mg/L <MDL 51 154 60.5 60.5 60.5
SAR <MDL <MDL <MDL 2.59 3.67 4.75
Sulfate mg/L 30 33 40 47.75 52.59 57.42
Aluminum mg/L 0.04 2.15 6.34 0.030 0.048 0.065
Arsenic mg/L <MDL 0.0003 0.001 0.014 0.015 0.015
Cadmium mg/L <MDL <MDL <MDL <MDL 0.001 0.001
Calcium mg/L 27.5 30.3 32.1 7.7 19.9 32.0
Copper mg/L <MDL 0.31 0.92 <MDL <MDL <MDL
Iron (Total) mg/L 0.04 2.35 6.89 0.01 0.04 0.07
Lead mg/L <MDL <MDL <MDL <MDL 0.03 0.03
Magnesium mg/L 5.7 6.7 7.5 3.41 5.42 7.43
Manganese Total) mg/L <MDL 0.046 0.137 0.01 0.02 0.02
Mercury mg/L <MDL <MDL <MDL <MDL 0.0002 0.0002
Molyebdenum mg/L <MDL <MDL <MDL <MDL <MDL <MDL
Selenium mg/L <MDL <MDL <MDL 0.0044 0.0302 0.0560
Sodium mg/L 30.8 49.5 64.1 62.7 62.9 63.0
Zinc mg/L <MDL 0.01 0.04 0.01 0.02 0.02
The monitoring point for SP34-11 is along the old coal exploration road winding down Sheep Corral Gulch. The spring originates in sandstone
just above the pond surface.
Baseline Information for Point SP34-11 is derived from events beginning on 10!27/97 through 6/1/02.
Point influenced by mining on 6/1/02.
Figure No. 5